ASN Wikibase Occurrence # 199528
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| Date: | Friday 23 December 2016 |
| Time: | 10:13 |
| Type: |  SkyStar Kitfox Series 7 |
| Owner/operator: | Private |
| Registration: | N320RJ |
| MSN: | S70507084 |
| Total airframe hrs: | 39 hours |
| Engine model: | Rotax 914UL |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Cody, WY -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | Cody, WY (COD) |
| Cody, WY (COD) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot stated that he had experienced engine roughness during previous flights in the accident airplane. Maintenance personnel determined that the airplane was not receiving adequate fuel at full power, even with both electric fuel pumps operating. As a result, they installed check valves in the fuel system and replaced the fuel pressure regulator. On the day of the accident, the engine experienced a total loss of power after both fuel pumps were turned off during a pre-takeoff engine run-up. The pilot and mechanic then performed another run-up check, during which the engine operated normally. The pilot subsequently departed and entered the airport traffic pattern. While on the downwind leg, with both fuel pumps operating, the pilot reduced engine power and the engine experienced a total loss of power. The pilot performed a forced landing to a field, during which the nose landing gear collapsed.
Postaccident examination of the engine revealed that the fuel pressure and airbox pressure differential was not within the engine manufacturer’s limits. The fuel pressure regulator was adjusted within those limits, and the engine was subsequently test run with no anomalies.
Probable Cause: Improper maintenance of the fuel pressure regulator, which resulted in an excessive fuel and airbox pressure differential and subsequent loss of engine power.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Sep-2017 19:48 | ASN Update Bot | Added |
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